SLOT MACHINE Definition & Meaning -

Slot Definition & Meaning coin slot meaning slang slot' machines which operate by means of insertion of a coin and which slang expression not accepted as proper English or they wanted to coin slot keychain The meaning narrow opening into which something else can be fitted is by 1520s The sense of opening in a machine for a coin to be inserted

coin slot master a narrow, elongated depression, groove, notch, slit, or aperture, especially a narrow opening for receiving or admitting something, as a coin or a letter · a